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Finding the Fourth Proportional to 611,819.08, 844,388.18 and 370,103.38

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Solution

The fourth proportional to 611,819.08, 844,388.18 and 370,103.38 is: 510,789.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,819.08 : 844,388.18 = 370,103.38 : x
  2. Step 2: Convert to fraction form
    611,819.08/844,388.18 = 370,103.38/x
  3. Step 3: Cross multiply
    611,819.08x = 844,388.18 × 370,103.38
  4. Step 4: Simplify right side
    611,819.08x = 312,510,915,488.56
  5. Step 5: Solve for x
    x = 312,510,915,488.56/611,819.08
  6. Step 6: Final answer
    x = 510,789.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.